74LVQ244TTR STMicroelectronics, 74LVQ244TTR Datasheet - Page 4

• Manufacturer Part Number: 74LVQ244TTR
• Description: IC BUFF/DVR TRI-ST DUAL 20TSSOP
• Manufacturer: STMicroelectronics
• Series: 74LVQr

Specifications of 74LVQ244TTR

• Logic Type: Buffer/Line Driver, Non-Inverting
• Number Of Elements: 2
• Number Of Bits Per Element: 4
• Current - Output High, Low: 24mA, 24mA
• Voltage - Supply: 2 V ~ 3.6 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Logic Family: LVQ
• Number Of Channels Per Chip: 8
• Polarity: Non-Inverting
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• High Level Output Current: - 24 mA
• Low Level Output Current: 24 mA
• Minimum Operating Temperature: - 55 C
• Number Of Lines (input / Output): 8 / 3
• Output Type: 3-State
• Propagation Delay Time: 11 ns at 2.7 V, 9 ns at 3.3 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

74LVQ244
Table 8: AC Electrical Characteristics (C
1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switch-
ing in the same direction, either HIGH or LOW (t
2) Parameter guaranteed by design
(*) Voltage range is 3.3V
Table 9: Capacitive Characteristics
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
4/12
t
t
t
Symbol
Symbol
PLH
PZL
PLZ
t
t
C
OSLH
OSHL
C
PD
C
OUT
PD
IN
t
t
t
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
PZH
PHZ
PHL
Propagation Delay
Time
Output Enable
Time
Output Disable
Time
Output To Output
Skew Time
(note1, 2)
Input Capacitance
Output
Capacitance
Power Dissipation
Capacitance
(note 1)
Parameter
Parameter
0.3V
3.3
3.3
3.3
3.3
V
V
2.7
2.7
2.7
2.7
3.3
3.3
3.3
(V)
(V)
CC
CC
(*)
(*)
(*)
(*)
Test Condition
Test Condition
OSLH
f
IN
= |t
= 10MHz
PLHm
L
= 50 pF, R
- t
PLHn
|, t
OSHL
Min.
Min.
L
= 500
= |t
T
T
A
A
PHLm
Typ.
Typ.
= 25°C
= 25°C
6.6
5.6
8.3
6.8
7.5
6.0
0.5
0.5
10
4
8
- t
, Input t
PHLn
Max.
Max.
13.5
9.0
1.0
1.0
10
12
11
9
|)
CC(opr)
r
Value
Value
Min.
Min.
-40 to 85°C
-40 to 85°C
= t
f
= C
= 3ns)
Max.
Max.
12.5
10.5
13.5
10.5
11.5
PD
1.0
1.0
15
x V
CC
-55 to 125°C
-55 to 125°C
Min.
Min.
x f
IN
+ I
CC
Max.
Max.
1.0
1.0
14
13
18
13
15
12
/8 (per circuit)
Unit
Unit
pF
pF
pF
ns
ns
ns
ns